Many people are bad at this too. It's an important and useful skill to learn, e.g. admitting in team meetings that you don't understand something. I wonder --

Many people are bad at this too. It's an important and useful skill to learn, e.g. admitting in team meetings that you don't understand something. I wonder -- does that kind of interaction come up in spoken conversation more than in written text? Things like blog posts and tweets are often stated very confidently. If LLMs are trained mostly from those sorts of sources, maybe that's why they end up artificially overconfident.